Hello,
From the given clinical history it seems that, you might be having infection related to wisdom tooth with pain & swelling, requires in office examination & treatment accordingly .
As you are in the 2nd trimester , so emergency dental treatment can be done in confirmation with dental radiograph by the dentist /oral surgeon & also with discussing your Gynaecologist, So as to have best results to make you PAIN - FREE .
Next Steps
visit dentist /oral surgeon & Gynaecologist for best results.
Health Tips
rinse with lukewarm salt water after every meals to maintain oral hygiene
Please , don't worry & don't self medicate.